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The Difference Between DC and AC Driven Electric Motors

Posted On : Aug-02-2010 | seen (383) times | Article Word Count : 555 |

Electric motors can be distinguised in two broad categories Cheap Joel Armia Jersey , DC motors and AC motors while AC motors are being used in homes, business and industrial settings but DC motors are being used in heavy industrial settings. When it comes to electric motors, many people do not know the difference between AC and DC electric motors. In order to understand the difference Cheap Mike Reilly Jersey , one must first be made aware of the fact that an electric motor is a machine that is used to convert electrical energy into mechanical energy. Our modern society depends upon these motors as we use them in our computer printers, machine tools, automobiles Cheap Karl Alzner Jersey , vacuum cleaners, water pumping stations and much, much more.

Electrical motors fall into two broad categories: direct current and alternating current motors.
Direct current or DC motors are those that work for situations where speed must be controlled. Direct current motors were the first and earliest motors in use. However Cheap Jeff Petry Jersey , they were found not to be so good to use when power was required for long periods of time. Early on, electric utility companies discovered that using DC motors to generate electricity did not work because the power was lost as the electricity was being transmitted. There are both brush and brushless direct current motors in use today. The brush DC motor uses rings to conduct the current and which form the magnetic drive that turns the rotor. A brushless direct current motor uses a switch to produce the magnetic drive that turns the rotor. Many common household appliances make use of direct current motors.

Even though the majority of electric motor manufacturers are moving away from direct current motors, DC machines are still powering a lot of machinery in heavy industrial settings. DC motors are still being used to power surface mining excavators Cheap Phillip Danault Jersey , mine hoists, massive metal rolling mills and many more types of industrial applications and direct current is expected to continue delivering the power in many types of production work for many years into the future.

Alternating current or AC motors work well in many different types of situations. This type of motor was first made back in 1882 when a two phase induction motor was designed. There are two basic types of alternating current motors, depending upon the type of rotor employed. One is the synchronous motor and the second is the induction motor. With the first type Cheap Max Domi Jersey , the motor rotates exactly at the supply frequency and with the induction AC motor, it runs slightly slower than the supply frequency. Alternating current motors are ideal for use with equipment that is difficult to start because this type of motor is tremendously powerful. The name 'alternating power' was assigned to this type of motor because AC motors alternate in power. In other words, the amount of power expended by an alternating motor is determined by the amount of power required to run the given machine or equipment.

AC electric motors are used the world over in homes Cheap Jonathan Drouin Jersey , businesses and industrial settings. An alternating. Wholesale Jerseys Wholesale Jerseys From China Wholesale Cheap Jerseys Wholesale Jerseys Free Shipping Wholesale Soccer Jerseys Cheap Jerseys From China Cheap College Jerseys Wholesale Hockey Jerseys Wholesale NFL Football Jerseys Wholesale Soccer Jerseys Free Shipping